Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. DIANE C. TSAI, M.D.
ActiveDR. DIANE C. TSAI, M.D. is a Radiation Oncology healthcare provider located in PORTLAND, Oregon. NPI 1730266966 is currently active in the NPPES registry. Verify at CMS.
Radiation Oncology · PORTLAND, OR
Registration Details
- NPI Number
- 1730266966
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Nov 1, 2006 (19.817299337195 yrs)
- Last Updated
- Dec 9, 2025
- Licenses
-
MD174455 (OR)G86931 (CA)MD00037303 (WA)
Practice Information
- Address
-
3620 N INTERSTATE AVEPORTLAND, OR, 972271106Browse OR providers · Browse ZIP 97227
- Phone
- 5038132000
- Primary Specialty
-
Radiation Oncology
2085R0001X
- Additional Specialty
- Radiation Oncology
- Additional Specialty
- Radiation Oncology
Other Radiation Oncology Providers in PORTLAND, OR
| Name | Credential | NPI |
|---|---|---|
| DR. NICOLAAS WILLEM DE WETTE | M.D. | 1689677692 |
| DR. GREGORY ALAN PATTON | M.D. | 1275536948 |
| DAVID E GANNETT JR. | MD | 1467454165 |
| DR. STEPHEN B BADER | MD | 1790787422 |
| JEANNIE LOUIE | MD | 1730171117 |
| MATTHEW CURTIS SOLHJEM | MD | 1356334403 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.